Catalogue Number

101217

Product Information
CAS number	7783-20-2
EC number	231-984-1
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	H₈N₂O₄S
Chemical formula	(NH₄)₂SO₄
Molar Mass	132.14 g/mol
HS Code	3102 21 00
Quality Level	MQ300

Physicochemical Information
Density	1.77 g/cm3 (25 °C)
pH value	5.0 - 6 (132 g/l, H₂O, 25 °C)
Vapor pressure	<0.1 hPa (25 °C)
Bulk density	850 kg/m3
Solubility	754 - 764 g/l

Toxicological Information
LD 50 oral	LD50 Rat 2840 mg/kg

Safety Information according to GHS
RTECS	BS4500000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	Kein Gefahrgut
Declaration (transport by air) IATA-DGR	No Dangerous Good
Declaration (transport by sea) IMDG-Code	No Dangerous Good

Specifications
Assay (alkalimetric)	≥ 99.5 %
Insoluble matter	≤ 0.001 %
pH-value (5 %; water, 25 °C)	5.0 - 6.0
Chloride (Cl)	≤ 0.0003 %
Nitrate (NO₃)	≤ 0.001 %
Phosphate (PO₄)	≤ 0.0005 %
Heavy metals (ACS)	≤ 0.0005 %
Heavy metals (as Pb)	≤ 0.0005 %
Al (Aluminium)	≤ 0.000075 %
As (Arsenic)	≤ 0.00002 %
Ca (Calcium)	≤ 0.001 %
Cd (Cadmium)	≤ 0.0001 %
Cr (Chromium)	≤ 0.000075 %
Cu (Copper)	≤ 0.0002 %
Fe (Iron)	≤ 0.0002 %
Mg (Magnesium)	≤ 0.0005 %
Pb (Lead)	≤ 0.0002 %
Zn (Zinc)	≤ 0.0001 %
Residue on ignition (as sulfate)	≤ 0.005 %
Loss on Drying (105 °C)	≤ 0.1 %
Corresponds to ACS,ISO,Reag. Ph Eur